HFI1_S_AHG_VALID
qp->s_flags &= ~(HFI1_S_AHG_VALID | HFI1_S_AHG_CLEAR);
qp->s_flags &= ~HFI1_S_AHG_VALID;
| HFI1_S_AHG_VALID);
if (!(qp->s_flags & HFI1_S_AHG_VALID)) {
qp->s_flags |= HFI1_S_AHG_VALID;
qp->s_flags &= ~HFI1_S_AHG_VALID;
qp->s_flags &= ~HFI1_S_AHG_VALID;